Home / 142,802.85-214,234.35-54,054.39

Finding the Fourth Proportional to 142,802.85, 214,234.35 and 54,054.39

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Solution

The fourth proportional to 142,802.85, 214,234.35 and 54,054.39 is: 81,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,802.85 : 214,234.35 = 54,054.39 : x
  2. Step 2: Convert to fraction form
    142,802.85/214,234.35 = 54,054.39/x
  3. Step 3: Cross multiply
    142,802.85x = 214,234.35 × 54,054.39
  4. Step 4: Simplify right side
    142,802.85x = 11,580,307,106.30
  5. Step 5: Solve for x
    x = 11,580,307,106.30/142,802.85
  6. Step 6: Final answer
    x = 81,092.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.